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Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
Masonry part 3
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Masonry part 3

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  • Reinforcing increases Loadbearing Capacity
  • Reinforcing placed in CMU cells and cells filled with concrete Reinforcing placement determined by structural designer
  • External Flashing Prevents Moisture Penetration Types CAP FLASHING - TOP OF WALLS EDGE OF ROOFS COUNTER FLASHING WALL / ROOF INTERSECTION OFTEN TWO PIECES - ONE IN WALL / ONE ATTACHED Material SHEET METAL COPPER SS PLASTICS & COMPOSITES
  • “Through Wall” (Concealed) Flashing CONTINUOUS SHEET OF COPPER, PLASTIC, RUBBER/BITUMINOUS ATTACHED TO BACKUP WALL & RUN THROUGH TO THE OUTSIDE OF THE MASONRY Collects water WATER THAT HAS PENETRATED WALL ALLOWS IT DRAIN THROUGH “WEEPS” ACCOMPANIED BY WEEPS Drainage Through “Weeps” PLACED 24 TO 32 in o.c. ROPE, PLASTIC, METAL (ALSO CAN JUST STOP MORTAR) > 1/4 IN. Placement @ BOTTOM OF WALL CAVITY @ INTERUPTIONS OF CAVITY OVER DOORS / WINDOWS WINDOW SILLS SHELF ANGLES -
  • Electrical WALL OUTLETS, SWITCHES “ BUILT INTO” WALL HORIZONTAL - SLEEVES Plumbing NOT BUILT INTO WALL (COPPER, CI, PVC) SLEEVES FOR HORIZONTAL PENETRATIONS HVAC TYPICALLY NOT BUILT INTO WALL SLEEVES FOR HORIZONTAL PENETRATIONS MAY REQUIRE FIRE DAMPERS
  • Structure Movement, Masonry Changes WEIGHT / LOADING MASONRY - THERMAL EXPANSION/CONTRAC MUST PROVIDE FOR - OR CRACKING Expansion Joints Within Masonry Wall Two-way Movement @ Change in Thickness, Height, or Openings JT REINFORCING / MORTAR MUST BE INTERUPTED Isolation Joints @ DISSIMALR MATERIALS
  • Efflorescence FLUFFY WHITE POWDER @ SURFACE WATER SOLUBLE SALTS CAN BE CLEANED WATER INFILTRATION Mortar Joint Deterioration FREEZE THAW DELAY BY PROPER JOINT PROFILE TUCK POINTING - RACK OUT AND REPLACE Moisture Penetration COVERED PROPER JOINTS AND INSTALLATION COATINGS, MATERIAL SELECTION CAVITY CONSTRUCTION Cold Weather Construction MORTAR CAN’T FREEZE UNTIL CURED ENCLOSURES (HEATED) ADMIXTURES TO SPEED SETTING TIME Hot Weather – Mortar may dry out excessively
  • Transcript

    • 1. Masonry Loadbearing Wall Construction
    • 2. Masonry Wall Types
      • Reinforced or Un-reinforced
        • Reinforcing Increases Load Carrying Capacity
        • Uses: Low Rise Construction, Foundations
      • One Type or Composite Masonry Walls
        • Composite; Two Wythes of Different Material
        • Typ. - CMU & Brick
      • Solid or Cavity Walls
    • 3. Reinforced Masonry Walls
    • 4.  
    • 5. Cell Reinforcing
    • 6. Cavity Walls
      • Common Construction for Exterior Walls
        • Insulating Value
        • Reduced Weight
        • Drainage
    • 7. Cavity Wall Construction
        • Inner Wythe or support wall
        • Air Space (Insulation & Drainage)
        • Outer Wythe of Masonry
        • Masonry Ties to hold the Wythes together
    • 8.  
    • 9. Masonry Veneer Anchors
    • 10.  
    • 11.  
    • 12.  
    • 13.  
    • 14.  
    • 15.  
    • 16.  
    • 17. Masonry Flashing
      • External Flashing
      • Prevents Moisture Penetration
      • Types
      • Material
    • 18. Internal Flashing
      • Through Wall (Concealed) Flashing
      • Collects water
      • Drainage Through Weeps
      • Placement
    • 19.  
    • 20. Shelf Angle
    • 21. Dampproofing & Flashing
    • 22. Flashings over Wall Openings
    • 23. Thermal Insulation
      • Outside Face (typically EIFS)
      • Within the Wall
      • In the Cavity or
      • In the Hollow Cores
      • On the Inside Face
    • 24. Insulation in CMU cells Insulation in Cavity Insulation in Cavity External Insulation
    • 25. Insulation being installed in the cavity
    • 26. Masonry Construction
      • Masonry and Wood
      • Masonry and Steel
      • Masonry and Concrete
    • 27. CMU Masonry with Joist & Metal Decking
    • 28. CMU with Precast Concrete Decking
    • 29. MPE Rough-In
      • Rough-in
        • Electrical
        • Plumbing
        • HVAC
      Fire Damper Electrical Rough-in
    • 30. Electrical Roughin
    • 31. Expansion & Contraction
      • Structure Movement, Masonry Changes
      • Expansion Joints
        • Within Masonry Wall
        • Two-way Movement
        • @ Change in Thickness, Height, or Openings
      • Isolation Joints
    • 32. Expansion Joint Weep Holes
    • 33. Expansion Joint Material
    • 34. Other Special Problems
      • Efflorescence
      • Joint Deterioration
      • Moisture Penetration
      • Hot & Cold Weather Construction
    • 35. Efflorescence
    • 36. Efflorescence
    • 37. Masonry and the Codes
      • Masonry often used as a fire separation wall
      • Used with Steel and Concrete Decks - Type 1&2

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